ICP POS-380 User Manual

POS - 380

Socket 370 POS Motherboard

with SVGA, LAN, USB2.0

User’s Manual

Version 1.0

Apr. 28, 2004

Copyright Notice

©2004 Copyright by ICP Electronics Inc. All rights reserved.

The information in this document is subjected to change
without prior notice in order to improve reliability, design and
function and does not represent a commitment on the part of
the manufacturer.

In no event will the manufacturer be liable for direct, indirect,
special, incidental, or consequential damages arising out of
the use or inability to use the product or documentation,
even if advised of the possibility of such damages.

This document contains proprietary information protected by
copyright. All rights are reserved. No part of this manual may
be reproduced by any mechanical, electronic, or other means
in any form without prior written permission of the
manufacturer.

Trademarks

POS-380 is a registered trademark of ICP Electronics Inc. IBM
PC is a registered trademark of International Business
Machines Corporation. Intel is a registered trademark of Intel
Corporation. Other product names mentioned herein are used
for identification purposes only and may be trademarks
and/or registered trademarks of their respective companies.

Table of Contents

CHAPTER 1 INTRODUCTION .................................................... 5

1.1 Specifications................................................... 5

1.2 Package Contents ............................................. 9

CHAPTER 2 INSTALLATION....................................................10

2.1 POS-380 Block Diagram & Board Layout............. 10

2.2 Unpacking Precautions..................................... 11

2.3 System Memory DRAM .................................... 12

2.4 Watchdog Timer Setting................................... 12

2.5 Clear CMOS Setup .......................................... 13

2.6 LCD VCC Voltage and Shift Clock Selector........... 13

CHAPTER 3 CONNECTION........................................................ 14

3.1 Floppy Disk Drive Connector - FDD1.................. 15

3.2 PCI E-IDE Disk Drive Connector - IDE1 / IDE2 .... 16

3.3 Compact Flash Connector - CN26 ...................... 17

3.4 Parallel Port - LPT1.......................................... 18

3.5 Serial Ports .................................................... 18

3.6 PS/2 Keyboard & Mouse Connector - CN1........... 20

3.7 USB Port Connectors ....................................... 21

3.8 IrDA Infrared Interface Port - IR1...................... 21

3.9 VGA Connector - CN25 .................................... 22

3.10 LAN RJ45 Connector - CN8............................... 22

3.11 LCD Interface Connectors ................................ 23

3

3.12 External Power Connector - ATX1, CN4 .............. 26

3.13 4-BIT GPIO Connector - CN7 ............................ 27

3.14 Fan Connectors - FAN1, FAN2 ........................... 27

3.15 Audio Connectors............................................ 27

3.16 1394 Connectors - CN10, CN11 (optional) .......... 28

3.17 SATA Connectors - ATA1, ATA2 (optional) ........... 28

3.18 TV-OUT Connector - CN14 (optional) ................. 28

3.19 System Panel Connector - CN2 ......................... 29

CHAPTER 4

4.1 Introduction................................................... 30

4.2 Starting Setup................................................ 30

4.3 Using Setup ................................................... 31

4.4 Getting Help .................................................. 32

4.5 Main Menu ..................................................... 33

APPENDIX A. WATCHDOG TIMER ..............................................56

APPENDIX B. GPIO.............................................................................58

APPENDIX C. I/O ADDRESS MAP............................................... 59

AMI BIOS SETUP ................................................30

4

Chapter 1 Introduction

POS-380 is a full function and high performance
motherboard, it uses socket370 type CPU and
newest DDR dram interface, which can support up
to 1GB memory.
It also supports new generation of IO interface,
includes 6 USB2.0 ports, 2 ATA133 IDE interface.
For various types of applications, POS-380
supports 3 kinds of display methods: standard VGA
display, TTL/LVDS LCD interface, and TV-out. For
convenient use of POS-380, it equips 5.1ch audio
with 6W output in main channel, 6 serial ports,
WDT, compact flash card socket, 10/100Mbps LAN
or 1000Mbps LAN, and one PCI slot.

1.1 Specifications

 Socket 370 32-Bit x86 Processor

 System Memory: Two 184-pin DDR SDRAM

DIMM sockets support up to 1GB MB DDR
SDRAM

 BIOS: AMI 512 KB Flash memory

 Display Controller: VIA 8623

5

 Supports 24-bit TFT LCD panel

resolution up to 1600x1200

 Supports non-interlaced CRT monitors

resolutions up to 1920x1440

 Supports LVDS Encoders

 IDE Interface: Supports two ATA133 IDE hard

drives

 Compact Flash Disk: Runs in true IDE mode

that is compatible with an IDE disk drive. It
can be used with a passive adapter in a Type II
socket.

 FDD Interface: Supports up to two floppy disk

drives, 5.25”（360KB and 1.2MB）and/or 3.5”
（720KB, 1.44MB, and 2.88MB）

 Serial Ports: Six UART ports. COM2 can

support RS422/485

 Parallel Port: supports SPP/EPP/ECP mode

 USB 2.0: 6 USB 2.0 ports by South Bridge

 Audio Connector: One 2x8-pin header

supports Line-in, Line-out, Speaker-out,
Surround-out, MIC-in, Center/LFE-out

 GPIO: Supports four digital-in, and four

digital-out (TTL-level)

6

 IrDA: Supports Serial Infrared (SIR) or

Amplitude Shift Keyed IR (ASKIR) interface

 PS/2 Mouse/Keyboard Connector: A 6-pin

header supports PS/2 keyboard and mouse.

 Watchdog Timer: Can be set by 1-255

seconds period. Reset will be generated when
CPU does not periodically trigger the timer

 Ethernet Controller: One Realtek RTL8100B

or Intel 82540 10/100/1000M BASE-T standard
Dual auto-sensing interface. On board RJ-45
connectors are provided for easy connection.

 Serial ATA Controller (optional): Silicon

Image Sil3112A PCI to Serial ATA host
controller

 1394 Controller (optional): TI TSB43AB22

1394 PCI host controller

 PCI Slot: 32-bit PCI expansion slot (Rev. 2.1

compliant).

 TV out (optional): VIA VT1622 Digital TV

Encoder

 LPC I/O: Winbond W83697HF supports ISA

flash ROM and Hardware monitor functions

7

 LPC UART: Fintek F81216 4 UART controller

 Power Supply: +5V(4.75V to 5.25V)@8.1A

（typical）,+12V @260 mA ,+5VSB @350mA,

-12V @100mA (PIII 1.0G, 256MB RAM,
Win2000, 3DMARK2001)

 Operating Temperature: -20-60℃（-4-140℉）

 Dimension: 235（D）x 220（W）（mm x mm）

8

1.2 Package Contents

Before any installation, please check if the
following materials are included in the package:

• One POS-380 all-in-one single board computer

• one compact disk for utility and drivers

• One IDE flat cable (40-pin 2.54mm pitch)

• one floppy cable (for 3.5" FDD only)

• Serial port cable

• one audio cable

If any of these items are missing or damaged,
contact your distributor or sales representative
immediately.

9

Chapter 2 Installation

This chapter gives instructions about how to set
up the POS-380 hardware, including directions of
setting jumpers and connecting peripherals,
switches and indicators. Before installation, please
pay attention to the unpacking precautions on the
following page for safety.

2.1 POS-380 Block Diagram & Board

Layout

10

BOARD LAYOUT

2.2 Unpacking Precautions

Some components of POS-380 SBC are very
sensitive to static electric charges and can be
damaged by a sudden rush of power. To protect
it from unintended damage, be sure to note
these precautions:
Ground yourself to remove any static charge
before touching the POS-380 SBC. You can do it

11

by using a grounded wrist strap at all times or
by frequently touching any conducting materials
that is connected to the ground.
Handle POS-380 SBC by its edges. Don’t touch
IC chips, leads or circuitry if not necessary.
Do not plug any connector or jumper while the
power is on.

2.3 System Memory DRAM

There are two 184-pin DDR SDRAM DIMM slots to
accept 2.5V non-buffered DDR SDRAM. The max
Memory size is 1GB.

2.4 Watchdog Timer Setting

Writing port 292H value to enables the Watchdog
Timer. It should be triggered before the time-out
period ends, otherwise it will assume the program
operation is abnormal and will issue a reset signal
to start again. Writing port 292H 0 to disable the
Watchdog Timer. Please refer to Appendix A for
detailed information.

12

2.5 Clear CMOS Setup

If the user needs to clear the CMOS setup (e.g.,
the user forgot the password, then the setup
should be cleared and the password will be reset).
The user should close the CMOS1 about 3 seconds,
and then open it again. Short pin 2-3 of CMOS1
can set the system back to normal operation mode.

CMOS1: Clear CMOS Setup

CMOS1 DESCRIPTION

2-3 Normal Operation
1-2 Clear CMOS Setup

2.6 LCD VCC Voltage and Shift Clock

Selector

The LCD interface connector CN23 can provide 5V
or 3.3V power supply by selecting the CN23 to
meet the different LCD requirement.

CN23 (2,4,6): LCD VCC Voltage Selector

CN23 (1,3,5): LCD SHIFT Clock

CN23 DESCRIPTION

4-6 5V
2-4 3.3V

1-3 Reverse
3-5 Normal

13

Chapter 3 Connection

This chapter describes how to connect peripherals,
switches and indicators to the POS-380 board.

Label Function

FDD1 Floppy Disk connector

IDE1 & IDE2 Primary & Secondary IDE connectors

FAN1, 2 FAN connectors

COM1, 2 Serial port connectors

IR1 IRDA infrared interface port

LPT1 Parallel port connector

USB1 USB1, 2 connector

CN1 Keyboard & Mouse connector
CN2 System Panels connector
CN4 AT Power connector
CN5 Audio connector
CN6 COM2 422/485 connector
CN7 4-Bit GPIO connector
CN8 LAN RJ-45 connector
CN9 DVI connector (optional)

CN10, 11 1394 connector (optional)

CN12, 13, 16, 17 COM4, 3, 6, 5

CN14 TV-out connector (optional)

CN18, 19 USB3, 4 connector

CN20 LCD connector (TTL)
CN24 VGA connector (pin header)
CN25 VGA connectors (D-sub)
CN26 Compact Flash connector

ATX1 ATX Power connector

ATA1, ATA2 SATA connector (optional)

CON1 LCD Inverter Power connector

JP1 Audio CD-IN connector
JP2 LVDS LCD connector

14

3.1 Floppy Disk Drive Connector - FDD1

POS-380 is equipped with a 34-pin daisy-chain
driver connecting cable.

• FDD1: FDC CONNECTOR

PIN
NO.

1 GROUND 2 REDUCE WRITE
3 GROUND 4 N/C
5 GROUND 6 N/C
7 GROUND 8 INDEX#

9 GROUND 10 MOTOR ENABLE A#
11 GROUND 12 DRIVE SELECT B#
13 GROUND 14 DRIVE SELECT A#
15 GROUND 16 MOTOR ENABLE B#
17 GROUND 18 DIRECTION#
19 GROUND 20 STEP#
21 GROUND 22 WRITE DATA#
23 GROUND 24 WRITE GATE#
25 GROUND 26 TRACK 0#
27 GROUND 28 WRITE PROTECT#
29 GROUND 30 READ DATA#
31 GROUND 32 SIDE 1 SELECT#
33 GROUND 34 DISK CHANGE#

DESCRIPTION

PIN
NO.

DESCRIPTION

15

3.2 PCI E-IDE Disk Drive Connector ­IDE1 / IDE2

For IDE HDD connection, the POS-380 was
designed with two 2.54mm connector (IDE1/ IDE2).
Using this cable the user can attach four IDE disk
drives to the POS-380.

• IDE1/IDE2: IDE Interface Connector

PIN
NO.

11 DATA 3 12 DATA 12
13 DATA 2 14 DATA 13
15 DATA 1 16 DATA 14
17 DATA 0 18 DATA 15
19 GROUND 20 N/C
21 IDE DRQ 22 GROUND
23 IOW# 24 GROUND
25 IOR# 26 GROUND
27 IDE CHRDY 28 GROUND
29 IDE DACK 30 GROUND–DEFAULT
31 INTERRUPT 32 N/C
33 SA1 34 N/C
35 SA0 36 SA2
37 HDC CS0# 38 HDC CS1#
39 HDD ACTIVE# 40 GROUND

DESCRIPTION

1 RESET# 2 GROUND
3 DATA 7 4 DATA 8
5 DATA 6 6 DATA 9
7 DATA 5 8 DATA 10
9 DATA 4 10 DATA 11

PIN
NO.

DESCRIPTION

16

3.3 Compact Flash Connector - CN26

You can attach one Compact Flash Disk to CN26
that occupies the secondary IDE channel. The
CN26 supports both the TYPE II and TYPE I module.
JP3 configure CF card as master or slave.

CN26: Compact Flash Connector (Secondary IDE)

•

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 GROUND 26 VCC-IN CHECK1
2 DATA 3 27 DATA 11
3 DATA 4 28 DATA 12
4 DATA 5 29 DATA 13
5 DATA 6 30 DATA 14
6 DATA 7 31 DATA 15
7 HDC_CS0# 32 HDC_CS1
8 N/C 33 N/C

9 GROUND 34 IOR#
10 N/C 35 IOW#
11 N/C 36 N/C
12 N/C 37 INTERRUPT
13 VCC_COM 38 VCC_COM
14 N/C 39 CSEL
15 N/C 40 N/C
16 N/C 41 HDD_RESET

17 N/C 42 IORDY
18 SA2 43 N/C
19 SA1 44 VCC_COM
20 SA0 45 HDD_ACTIVE#
21 DATA 0 46 N/C
22 DATA 1 47 DATA 8
23 DATA 2 48 DAYA 9
24 N/C 49 DATA 10
25 VCC-IN CHECK2 50 GROUND

JP3: Select CF Card occupied master or slave on IDE2

17

JP3 DESCRIPTION

OPEN SLAVE

CLOSE MASTER

3.4 Parallel Port - LPT1

This port is usually connected to a printer. POS-380
includes an on-board parallel port (LPT1), accessed
through a 25-pin D-sub connector.

• LPT1: Parallel Port Connector

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 STROBE# 2 DATA 0
3 DATA 1 4 DATA 2
5 DATA 3 6 DATA 4
7 DATA 5 8 DATA 6

9 DATA 7 10 ACKNOWLEDGE
11 BUSY 12 PAPER EMPTY
13 PRINTER SELECT 14 AUTO FORM FEED #
15 ERROR# 16 INITIALIZE
17 PRINTER SELECT LN# 18 GROUND
19 GROUND 20 GROUND
21 GROUND 22 GROUND
23 GROUND 24 N/C
25 GROUND 26

3.5 Serial Ports

POS-380 offers four high speed NS-16C550
compatible UARTS with Read/Receive 16 byte FIFO
serial ports, and supports RS-422/485 mode by
setting J2 connector. These ports let you connect to
serial devices or a communication network. The J1

18

header also provides a 1A-fuesd +5V or +12V
power out from Com2 pin 9. Two 9-pin D-SUB
connector and four 14-pin headers are also
provided. The detailed pin assignment of the
connectors is specified as following tables:

• COM1, COM2: Serial Port1/2 Connector (9-pin

D-SUB)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 DCD 2 RX
3 TX 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI

•CN16, CN17: Serial Port2 Connector (10-pin

2.54mm header)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 DCD 2 DSR
3 RX 4 RTS
5 TX 6 CTS
7 DTR 8 RI
9 GND 10 N/C

•J1: Com2 Pin 9 selector (2X3-pin 2.54mm header)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 +5V 2 RI (To I/O Buffer)
3 Connect to J3 Pin6 4 RI (To Com2)
5 +12V 6 Connect to J1 Pin9

Normal operation for Pin9 (RI): short Pin2-4

19

+5V supply from Com2 Pin9: short Pin1-3 and Pin4-6

+12V supply from Com2 Pin9: short Pin3-5 and Pin4-6

•

J2: RS232/RS422/485 Selector (3-pin 2.0mm

header)

Pin 1-2: RS232

Pin 2-3: RS422/RS485

• CN6: RS422/485 Connector (4-pin 2.54mm

header)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 TX+ 2 TX­3 RX+ 4 RX-

3.6 PS/2 Keyboard & Mouse Connector

- CN1

The board comes with a Y split PS/2 cable for keyboard
and mouse connection.

• CN1: PS/2 Keyboard & Mouse Connector

PIN NO. DESCRIPTION

1 KEYBOARD DATA
2 MOUSE DATA
3 GND
4 VCC
5 KEYBOARD CLOCK
6 MOUSE CLOCK

20

3.7 USB Port Connectors

POS-380 provides two USB 2.0 interfaces, which
give the completed plug and play, for up to 480
Mbps bandwidth.

• USB1: USB 1/2 connector

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 USBVCC 1 USBVCC
2 DATA1- 2 DATA2­3 DATA1+ 3 DATA2+
4 USBGND 4 USBGND

• CN18, CN19: USB 3/4 connector (pin header)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 USBVCC 8 USBGND
2 DATA3- 7 DATA4+
3 DATA3+ 6 DATA4­4 USBGND 5 USBVCC

3.8 IrDA Infrared Interface Port - IR1

POS-380 has a built-in IrDA port which supports
Serial Infrared (SIR) or Amplitude Shift Keyed IR
(ASKIR) interface. To use the IrDA port, the system
has to be set to SIR or ASKIR model in the BIOS’s
Peripheral.

• IR1: 1X5 2.54mm IrDA connector

PIN NO. DESCRIPTION

1 VCC
2 CIR

21

3 IR-RX
4 GROUND
5 IR-TX

3.9 VGA Connector - CN25

POS-380 has a built-in 15-pin VGA connector and a
2x5 10-pin header accepting the CRT monitor.

• CN25: 15-pin D-Sub Connector

PIN

NO.

1 RED 9 NC
2 GREEN 10 GROUND
3 BLUE 11 NC
4 NC 12 DDCDAT
5 GROUND 13 HSYNC
6 GROUND 14 VSYNC
7 GROUND 15 DDCCLK
8 GROUND

DESCRIPTIO
N

PIN
NO.

DESCRIPTIO
N

• CN24: VGA connector (pin header) -- the same

function as CN25

PIN NO. Description PIN NO. Description

1 RED 2 DDCDATA
3 GREEN 4 DDCCLK
5 BLUR 6 GND
7 Hsync 8 GND
9 Vsync 10 GND

3.10 LAN RJ45 Connector - CN8

POS-380 has one built-in RJ-45 LAN connectors for

22

10/100/1000Mbps Ethernet connection.

• CN8: LAN RJ-45 Connector

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 TX+ 5 MDI2­2 TX- 6 RX­3 RX+ 7 MDI3+
4 MDI2+ 8 MDI3-

3.11 LCD Interface Connectors

POS-380 provides a 2x25-pin connector for the TTL
LCD flat panel, and one 1x20 DF-14A-20p type
connector for 24-bit LVDS LCD

• CN20: TTL LCD Interface Connector – supports

up to 24 bit TTL signals. For better display
quality, the length of LCD cable should be
shorter than 35 cm.

PIN NO. Description PIN NO. Description

1 NC 2 NC
3 NC 4 NC
5 NC 6 NC
7 NC 8 NC

9 NC 10 NC
11 NC 12 NC
13 NC 14 RED5
15 RED7 16 RED6
17 RED0 18 RED4
19 RED1 20 RED2
21 RED3 22 GREEN6
23 GREEN5 24 GREEN4
25 GREEN7 26 GREEN3

23

27 BLUE7 28 GREEN2
29 LCD POWER 30 LCD POWER
31 GREEN1 32 GREEN0
33 BLUE4 34 BLUE6
35 BLUE3 36 BLUE5
37 BLUE2 38 BLUE1
39 DE 40 BLUE0
41 SFCLK 42 ENPBLT
43 ENPVDD 44 FLM
45 ENPVEE 46 LP
47 GND 48 GND
49 +12V 50 +12V

• JP2: LVDS Interface Connector

PIN NO. Description PIN NO. Description

1 +LCD 2 +LCD

3 GND 4 GND

5 TX0- 6 TX0+

7 GND 8 TX1-

9 TX1+ 10 GND
11 TX2- 12 TX2+
13 GND 14 TXC­15 TXC+ 16 GND
17 TX3- 18 TX3+
19 GND 20 GND

• CN23: LCD Power and Clock setting

PIN NO. Description PIN NO. Description

1 FPCLK# 2 +3.3V

3 SFCLK 4 LCD Vcc

5 FPCLK 6 +5V

FPCLK: LCD Panel shift clock from VT8623

24

Do the setting first before connecting the LCD
to POS-380. Don’t change the setting while
power is on; or the LCD may be damaged.

PIN NO. LCD Clock

1 – 3 * FPCLK# (inverted FPCLK)
3 – 5 FPCLK

PIN NO. LCD Supply Voltage

2 – 4 * 3.3V
4 – 6 5V

• CON1: LCD Inverter Power Connector

PIN NO. Description PIN NO. Description

1 NC 2 GND

3 +12V 4 GND

5 ENPVEE

• CN9: DVI connector (optional)

PIN NO. Description PIN NO. Description

1 TX2- 2 +5V

3 TX2+ 4 GND

5 GND 6 HTPLG

7 NC 8 TX0-

9 NC 10 TX0+
11 SPCLK 12 GND
13 SPDATA 14 NC
15 NC 16 NC
17 TX1- 18 GND
19 TX1+ 20 TXC­21 GND 22 TXC+
23 NC 24 GND
25 NC 26 GND

25

3.12 External Power Connector - ATX1,
CN4

POS-380 has two onboard external power
connectors -- ATX1 and CN4. You can connect
power directly to the board.

• ATX1: Standard ATX type Connector

PIN NO. Description PIN NO. Description

1 NC 2 NC

3 GND 4 +5V

5 GND 6 +5V

7 GND 8 PWR GOOD

9 +5VSB 10 +12V
11 NC 12 -12V
13 GND 14 PSON
15 GND 16 GND
17 GND 18 NC
19 +5V 20 +5V

• CN4: Standard AT type Connector

PIN NO. Description PIN NO. Description

1 NC 2 +5V

3 +12V 4 -12V

5 GND 6 GND

7 GND 8 GND

9 NC 10 +5V
11 +5V 12 +5V

26

3.13 4-BIT GPIO Connector - CN7

• CN7: 4-BIT GPIO Connector (TTL level)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 GPI0 2 GPI1
3 GPI2 4 GPI3
5 GPO0 6 GPO1
7 GPO2 8 GPO3
9 GND 10 +3.3V

3.14 Fan Connectors - FAN1, FAN2

PIN NO. DESCRIPTION

1 Fan Speed Detect
2 +12V
3 GND

3.15 Audio Connectors

• CN5: Audio Connector

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 Front out R 2 GND
3 Front out L 4 GND
5 Center 6 LFE
7 GND 8 GND

9 Line in L 10 Line in R
11 GND 12 GND
13 Surround L 14 Surround R
15 MIC in 16 GND

• JP1: CD-IN -- Connect to analog CD out from CD player

27

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 CD-IN L 2 CDGND

3 CDGND 4 CD-IN R

3.16 1394 Connectors - CN10, CN11
(optional)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 +12V 2 GND

3 TPB- 4 TPB+

5 TPA- 6 TPA+

7 NC 8 NC

3.17 SATA Connectors - ATA1, ATA2
(optional)

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 GND 2 TXP

3 TXN 4 GND

5 RXN 6 RXP

7 GND

3.18 TV-OUT Connector - CN14
(optional)

TV-OUT cable connector

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 TVSYNC 2 TVY

3 GND 4 TVC

5 GND 6 CVBS

28

3.19 System Panel Connector - CN2

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 VCC 2 SPEAK
3 GND 4 NC
5 GND 6 NC
7 PS_ON 8 VCC
9 VCC 10 RESET

11 HD-LED 12 GND

Pin 1-3: System power LED connector
Pin 5-7: ATX power on button connector
Pin 9-11: IDE active LED connector
Pin 2-8: External speaker connector
Pin 10-12: System reset connector

29

Chapter 4 AMI BIOS Setup

4.1 Introduction

This chapter discusses AMI's setup program built into the
ROM BIOS. The setup program allows users to modify the
basic system configuration. This special information is then
stored in battery-backed RAM so that it retains the setup
information when the power is turned off.

4.2 Starting Setup

The AMI BIOS is immediately activated when you first boot
up the computer. The BIOS reads the system information
contained in the CMOS and begins the process of checking
out the system and then configures it. When it finishes, the
BIOS will seek an operating system on one of the disks and
then launch and pass the control over to the operating
system.
While the BIOS is in charge, the Setup program can be
activated in one of the following ways:

1. By pressing <Del> immediately after switching the
system on, or

2. by pressing the <Del>key when the following message
appears briefly at the bottom of the screen during the
POST.

Press DEL to enter SETUP.

If the message disappears before you respond and you still
wish to enter Setup, press the “RESET” button on the chassis
or turn the power off then turn it back on to restart the
system then you can try again. You may also restart by

30

simultaneously pressing <Ctrl>, <Alt>, and <Delete> keys.
If you do not press the keys at the correct moment and the
system does not boot, an error message will be displayed and
you will again be asked to...

PRESS F2 TO CONTINUE, DEL TO ENTER SETUP

4.3 Using Setup

In general, use the arrow keys to highlight options, press
<Enter> to select, use the PageUp and PageDown keys to
change entries, press <F1> for help and press <Esc> to quit.
The following table provides more detail about how to
navigate in the Setup program.

Up arrow Move to previous option
Down arrow Move to next option
Left arrow Move to the option in the left column
Right arrow Move to the option in the right column
Esc key Main Menu -- Quit and not save changes into

CMOS
Status Page Setup Menu and Option Page
Setup Menu -- Exit current page and return to

Main Menu
PgUp key Increase the numeric value or make changes
PgDn key Decrease the numeric value or make changes
+ key Increase the numeric value or make changes

- key Decrease the numeric value or make changes
F1 key General help, only for Status Page Setup Menu

and Option Page Setup Menu
F2 /F3 key Change color from total 16 colors. F2 to

select color forward, (Shift) F2 to select color

backward
F4 key Reserved

31

F5 key Reserved
F6 key Reserved
F7 key Reserved
F8 key Reserved
F9 key Reserved
F10 key Save all the CMOS changes, only for Main

Menu

4.4 Getting Help

Press F1 to pop up a small help window that describes the
appropriate keys to use and the possible selections for the
highlighted item. To exit the Help Window press <Esc> or
the F1 key again.

If, after making and saving system changes with Setup, you
discover that your computer is no longer able to boot, the
AMI BIOS supports an override to the CMOS settings which
can reset your system to its defaults.

The best advice is to alter only the settings which you
thoroughly understand. To this end, we strongly recommend
not to make any changes to the chipset defaults. These
defaults have been carefully chosen by both AMI and the
system manufacturer to provide the optimum performance
and reliability. Even a seemingly little change to the chipset
setup may shut the system down and need the override
program to reset it.

32

4.5 Main Menu

Once you enter the AMIBIOS™ CMOS Setup Utility, the Main
Menu will appear on the screen. The Main Menu allows you
to select from several setup functions and two exit choices.
Use the arrow keys to select among the option and press
<Enter> to accept and enter the sub-menu.
Note that a brief description of each highlighted selection
appears at the bottom of the screen.
The main menu includes the following main setup categories.
Recall that some systems may not include all entries.

Standard CMOS Setup

Use this menu for basic system configuration.

Advanced CMOS Setup

Use this menu to set the Advanced Features available on your
system.

33

Advanced Chipset Setup

Use this menu to change the values in the chipset registers
and optimize the system's performance.

Power Management Setup

When Disabled, SMI will not be initialized, and complete
power management functionality is removed unless this
option is set to Enabled.

PCI / Plug and Play Setup

This entry appears if your system supports PnP / PCI.

Peripheral Setup

Use this menu to specify your settings for integrated
peripherals.

Hardware Monitor Setup

Use this menu to monitor your hardware.

Auto-detect Hard Disks

Use this menu to specify your settings for hard disks control.

34

Change Supervisor Password

Use this menu to set User and Supervisor Passwords.

Auto Configuration with Optimal Settings

Use this menu to load the BIOS factory settings for optimal
system performance. While AMI has been designed the
custom BIOS to optimize performance, the factory has the
right to change these defaults to meet its needs.

Auto Configuration with Fail-Safe Settings

Use this menu to load the BIOS default values for the safe
and stable system performance.

Save Settings and Exit

Save CMOS value changes to CMOS and exit setup.

Exit Without Saving

Abandon all CMOS value changes and exit setup.

Standard CMOS Setup

The options in Standard CMOS Setup Menu are divided into
10 categories. Each category includes none, one or more
than one setup options. Use the arrow keys to highlight the
option and then use the <PgUp> or <PgDn> keys to select
the value you want for each option.

35

Main Menu Selections

Item Options Description

Date MM DD YYYY Set the system date.
Time HH : MM : SS Set the system time
IDE
Primary

IDE
Primary Slave

IDE
Secondary

IDE
Secondary

Drive A None Select the type of

Options are in its sub
menu
(described in Table 3)
Options are in its sub
menu
(described in Table 3)
Options are in its sub
menu
(described in Table 3)
Options are in its sub
menu
(described in Table 3)

36

Press <Enter> to
enter the sub menu
for more options
Press <Enter> to
enter the sub menu
for more options
Press <Enter> to
enter the sub menu
for more options
Press <Enter> to
enter the sub menu
for more options

Drive B 360K, 5.25 in

1.2M, 5.25 in
720K, 3.5 in

1.44M, 3.5 in

2.88M, 3.5 in

Halt On All Errors

No Errors
All, but Keyboard
All, but Diskette
All, but Disk/Key

Base Memory N/A Displays the amount

Extended
Memory

N/A Displays the amount

floppy disk drive
installed in the system

Select the status in
which you want the
BIOS to stop the POST
processes and notify
you

of conventional
memory detected
during boot up

of extended memory
detected during boot
up

37

Advanced CMOS Setup

This section allows you to configure your system for
basic operation. You have the opportunity to select
the system’s default speed, boot-up sequence,
keyboard operation, shadowing and security.

Quick Boot

When this option is set to enable, DRAM testing function will
be disable.

1st /2nd /3rd Boot Device

This option sets the type of device for the first boot drives

that the AMIBIOS attempts to boot from after AMIBIOS
POST completes. The settings are Disabled, IDE-0, IDE-1,

38

IDE-2, IDE-3, Floppy, ARMD-FDD, ARMD-HDD, CDROM,
SCSI.

Try Other Boot Devices

The options are Yes or No. Set this setting to Yes to instruct
AMIBIOS to attempt to boot from any other drive in the
system if it cannot find a boot drive among the drives
specified in the 1st Boot Device, 2nd Boot Device, 3rd Boot
Device, 4th Boot Device options.

Boot From LAN

When setting Enable, bios will load LAN’s Boot Rom and try to
boot the system from LAN.

S.M.A.R.T. for Hard Disks

S.M.A.R.T. stands for Self-Monitoring, Analysis and Reporting
Technology. This setting can help BIOS to warn the user of
the possible device failure and let the user back up the device
before actual failure happens. The options are Disabled,
Enabled.

Boot Up Num-Lock

If the user wants the Num-Lock function to be turned on
during the boot-up period so that the user can use the key
pad on the keyboard right after the system starts, please
select ON to do so. Otherwise, select OFF.

39

Floppy Drive Swap

This setting decides whether drives A: and B: can be
swapped or not. The options are Enabled or Disabled.

Floppy Drive Seek

This setting is whether to enable floppy drives A: to perform
a Seek operation at system boot process. The options are
Enabled or Disabled.

PS/2 Mouse Support

When this setting is enabled, BIOS support a PS/2- type
mouse.

System Keyboard

This won’t be specified if a keyboard is attached to the
computer. Otherwise, when there’s no keyboard detected and
an error message is displayed, this setting can be marked as
needed. This setting permits you to configure workstation
with no keyboard. The options are Absent, Present.

Primary Display

This setting is to configure the type of monitor attached to
the computer. The settings are Monochrome, Color
40x25,Color 80x25,VGA/PGA/EGA ,or Not Install.

40

Password Check

This option enables the password check option every time the
system boots or the end user runs Setup. If always is chosen
a user password prompt appears every time the computer is
tuned on. If setup is chosen, the password prompt appears if
BIOS is executed.

Boot To OS/2

Set this option to YES if running OS/2 operating system and

using more than 64MB of system memory on the

motherboard. The options are YES or NO.

Wait For 'F1' If Error

If this setting is enabled, AMIBIOS waits for the end user to

press <F1> before continuing. If this option is disabled,

AMIBIOS continues the boot process without waiting for

<F1> to be pressed. The options are Disabled or Enabled.

Hit 'DEL' Message Display

Disabling this setting prevents "Hit <DEL> if you want to run

Setup" from appearing when the system boots. The options

are Disabled or Enabled.

CPU MicroCode Update

When setting Enable, Bios will load CPU Microcode.

41

L1 Cache

The setting enabled or disabled the L1 cache memory in the

processor.

L2 Cache

The setting enables L2 cache memory. If Enabled is selected,

L2 cache memory is enabled. If disabled is select, L2 cache

memory is disabled.

System BIOS Cacheable

When this setting is set to enabled, the System ROM area

from F0000-FFFFF is copied (shadowed) to RAM for faster

execution.

C000, 32k Shadow

This setting is about the contents inside the Video ROM area

form C000-C7FFF, which influences the speed of execution.

Disabled: The contents of the video ROM are not copied

to RAM.

Cached: The contents of the video ROM area from C0000h -

C7FFFh are copied from ROM to RAM and can be written to

or read from cache memory.

Enabled: The contents of the video ROM area from C0000h -

C7FFFh are copied (shadowed) from ROM to RAM for faster

execution.

42

C800, 16k Shadow

These settings enable shadowing of the contents of the ROM

area named in the option title. The options are Enable Disable,

Cached. The ROM area that is not used by ISA adapter cards

will be allocated to PCI adapter cards.000, 32k Shadow.

CC00, 16k Shadow

These settings enable shadowing of the contents of the ROM

area named in the setting title. The settings are Enable

Disable, Cached. The ROM area that is not used by ISA

adapter cards will be allocated to PCI adapter cards.800, 16k

Shadow.

D000, 16k Shadow

These settings enable shadowing of the contents of the ROM

area named in the setting title. The options are Enable,

Disable, and Cached. The ROM area that is not used by ISA

adapter cards will be allocated to PCI adapter cards.C00, 16k

Shadow.

D400, 16k Shadow

These settings enable shadowing of the contents of the ROM

area named in the setting title. The options are Enable,

Disable, and Cached. The ROM area that is not used by ISA

adapter cards will be allocated to PCI adapter cards.000, 16k

43

Shadow.

D800,16k Shadow

These settings enable shadowing of the contents of the ROM

area named in the setting title. The options are Enable,

Disable, and Cached. The ROM area that is not used by ISA

adapter cards will be allocated to PCI adapter cards.400, 16k

Shadow.

DC00, 16k Shadow

These settings enable shadowing of the contents of the ROM

area named in the setting title. The options are Enable,

Disable, and Cached. ISA adapter cards will be allocated to

PCI adapter cards.800, 16k Shadow.

44

Advanced Chipset Setup

This section allows you to configure the system based on the
specific features of the installed chipset. This chipset
manages bus speeds and access to system memory
resources, such as DRAM and the external cache. It also
coordinates communications between the conventional ISA
bus and the PCI bus. It must be stated that these items
should never need to be altered. The default settings have
been chosen because they provide the best operating
conditions for your system.

Configure SDRAM Timing by SPD

When setting Enable, bios will use the data from DIMM’s SPD

to setup the DRAM timing. Disable the setting, bios will use

default setting.

45

DRAM Frequency

This setting is setting Memory working frequency,
100/133 MHz.

SDRAM CAS# Latency

This setting is setting Memory CAS latency

AGP Aperture Size

This is about the size of AGP aperture. The aperture is a
portion of the PCI Memory addresses space. Host cycles that
hit the aperture range are forwarded to the AGP without any
translation

USB Controller

Select enable if your system contains a USB controller and
you have USB Peripherals. Otherwise, select disable.

USB Device Legacy Support

Enable or Disable the USB device legacy support.

Power Management Setup

46

ACPI Aware O/S

This feature is the switch of ACPI function. Configuration

options : [No] [Yes]

ACPI Standby State

This feature is the switch of STR (S3) or POS (S1) function.

Configuration options: [S3/STR] [S1/POS]

Re-Call VGA BIOS at S3 Resuming

Enable or Disable system load the VGA bios after S3 state.

47

Power Management/APM

When Disabled, SMI will not be initialized, and the complete

power management functionality is removed unless this

option is set to Enabled.

Video Power Down Mode

Hard Disk Power Down Mode

Standby Time Out (Minute)

Suspend Time Out (Minute)

If no activity occurs during this time period, the BIOS will

place the system into the suspended low power state.

IRQ3 ,4 ,5 ,7 , 9, 10, 11, 13, 14, 15

The factory defaults assigned IRQ3, 4, 7, and 14 to the
Monitor. When other external devices using the same IRQ
numbers as of the Monitor start, the Monitor will be waked up
from the power saving state by these devices.
The user can assign the other IRQ numbers available here to
the Monitor. Just highlight the IRQ number and set the value
to Monitor.

Resume on Ring/LAN

Allows the user to decide to resume the system from Soft Off

state by either LAN or Modem Ring.

Resume On RTC Alarm

When this setting is enabled, the system will
wakeup from soft off mode according to the time

48

you set.

Power Type Select

This setting allows the user to choose the power type for
AT or ATX .

49

PCI / Plug and Play Setup

Plug and Play Aware O/S

If enabled, BIOS will configure only PnP ISA boot devices(i.e.
all PnP ISA cards which has boot flag set). And PnP aware OS
will configure all other devices. If disabled, BIOS will
configure all devices.

Clear NVRAM

When set to Yes, system can clear NVRAM automatically. The

options are No, Yes.

On Chip VGA Frame Buffer Size

This is for selecting frame buffer size (2~32MB) for VGA.

PCI Latency Timer (PCI Clocks)

This setting specifies the latency timings (in PCI clocks) for

50

PCI devices installed in the PCI expansion slots. The options
are 32, 64, 96, 128, 160, 192, 224, or 248.

Boot Device Select

This setting is to specify Boot Screen.

LCD Panel Type

This setting is to choose LCD Panel Type

Allocate IRQ to PCI VGA

Choose Yes to allocate an IRQ to the VGA device on the
PCI bus. The other option is No.

Peripheral Setup

The Peripheral Setup allows the user to configure the system
to the most effectively power saving mode while operating in
a consistent manner with your own style of computer use.

51

Onboard FDC

Onboard Serial Port 1~Port 4

This setting specifies the base I/O port address of serial port

1.

Onboard Parallel Port

This setting specifies the base I/O port address of parallel
port on the motherboard. The options are Disabled, 378h,
278h, or 3BCh.

Parallel Port Mode

This setting specifies the parallel port mode. The options are
Normal, Bi-Dir, EPP, ECP.

Normal: The normal parallel port mode is used.

Bi-Dir : To support bidirectional transfers on the parallel
port.

EPP: The parallel port can be used with devices that adhere to
the Enhanced Parallel Port(EPP) specification. EPP uses the
existing parallel port signals to provide asymmetric
bidirectional data transfer driven by the host device.

ECP: The parallel port can be used with devices that adhere to
the Extended Capabilities Port (ECP) specification. ECP uses
the DMA protocol to achieve data transfer rates up to 2.5
Megabits per second. ECP provides symmetric bidirectional
communication.

EPP Version

EPP data or address read cycle 1.9 or 1.7

52

Parallel Port IRQ

This setting specifies the IRQ used by the parallel port. The
options are Auto, (IRQ)5, (IRQ)7.

Parallel Port DMA Channel

This setting is available only if the setting for the Parallel Port
Mode option is ECP. This setting makes the DMA channel used
by the parallel port. The options are DMA Channel 0, 1, or 3.

On Board AC’97 Audio

Enable or Disable AC’97 Audio Function.

53

Hardware Monitor Setup

Change Supervisor Password

You can set passwords for either supervisor or user password,
or for both of them. The differences between them are:

supervisor password:
It’s used to enter and change the settings of the setup
menus.

user password:
It’s used to only access the setup menus, but can’t change
anything of it. When you select this option, the following
message will appear at the center of the screen to assist you
in creating a password.

ENTER PASSWORD:
Type the password, up to eight characters in length, and
press <Enter>. The password typed now will clear any

54

previously existing password within CMOS memory. You will
be prompted to confirm the password. Type the password
again and press <Enter>. You may also press <Esc> to abort
the selection and not to enter a password.
To disable a password, just press <Enter> when you are
prompted to enter the password. A message which ask you to
confirm the password will be disabled. Once the password is
disabled, the system will boot and you can enter Setup freely.
PASSWORD DISABLED.
When a password has been enabled, you will be prompted to
enter it every time you try to enter Setup. This prevents an
unauthorized user from changing any bit of your system
configuration.
Additionally, when a password is enabled, you can also
require the BIOS to request a password every time the
system is booting. This would prevent unauthorized uses of
your computer.
The user can determine whether the password is needed for
entering BIOS Setup Program or other Security options (see
Section 4.5). Once the Password has been set, The user will
be prompted to enter the password at the beginning of
booting and at the entry to Setup Menu.

55

Appendix A. Watchdog Timer

The Watchdog Timer is a device to ensure that
standalone systems can always recover from
catastrophic conditions that cause the CPU to crash.
This condition may have occurred by external EMI
or a software bug. When the CPU stops working
normally, the hardware on board will perform reset
(cold boot) to bring the system back to a known
state.

I/O port (controls the Watchdog Timer)

292H Write 0 disable Watchdog

292H

Write
value

Set up watchdog timer

Prior to enable the Watchdog Timer, user has to
define Timer first. The output data is a value of
time interval and the range of the value is from
01(hex) to FF (hex) and time interval 1 sec to 255
sec.

56

Data

01 1 sec
02 2 sec
03 3 sec
04 4 sec

- - - -

FF 255 sec

Time

Interval

A tolerance of at least 5% must be maintained to
avoid unknown routines within the operating
system (DOS), such as disk I/O that can be very
time consuming. Therefore if the time-out period
has been set to 10 seconds, the I/O port 292H
must be read within 7 seconds.

Note: when exiting a program it is necessary to
disable the Watchdog Timer, otherwise the system
will reset.

57

Appendix B. GPIO

One characteristic of digital circuit is its fast response

to high or low signal. This kind of response is highly

needed for harsh and critical industrial operating

environment. That’s why we design 4-bit digital inputs

and 4-bit digital outputs on the POS-380.

Digital Input and Output, generally, are used as control

signals. You can use these signals to control external

devices that needs On/Off circuit or TTL devices. You

can read or write data to the selected IO port to enable

the function of GPIO.

Example (using the DOS debug command):

Debug

-O 280 value

-I 280 value

The GPI input use lower 4-bit and GPO output use higher 4-bit of

port 280h

58

Appendix C. I/O Address Map

C.1 System I/O Address Map

I/O Address Map Description

000-00F DMA controller #1

020-021 Interrupt controller # 1, master

022-023 Chipset address

040-043 System timer

060-060

061-061 System speaker

064-064

070-07F Real time clock, NMI controller

080-0BF DMA page register

0A0-0BF Interrupt Controller # 2

0C0-0DF DMA Controller # 2

0F0-0F0 Clear math coprocessor busy

0F1-0F1 Reset math coprocessor

0F8-OFF Math coprocessor

1F0-1F7 BUS master PCI IDE controller

278-27F Reserved

3F8-3FF Serial Port 1

2F8-2FF Serial Port 2

3E8-3EF Serial Port 3

3F8-3FF Serial Port 4

5E8-5EF Serial Port 5

5F8-5FF Serial Port 6

378-37F Parallel Printer Port 1

3B0-3DF Graphic Adapter

3F0-3F7 Floppy Disk Controller

280 Digital IO port

282 Watch dog timer port

Standard 101/102 keyboard
controller

Standard 101/102 keyboard
controller

59

C.2 DMA channel assignments

Channel Function

0 Available
1 Available
2 Standard floppy disk controller
3 Parallel port*
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available

*parallel port DMA default setting: DMA 3

parallel port DMA select: DMA 1 or 3

C.3 Interrupt assignments

Interrupt # Interrupt source

NMI Parity error detected
IRQ 0 System timer
IRQ 1 Keyboard

IRQ 2

IRQ 3 Serial communication port 2
IRQ 4 Serial communication port 1
IRQ 5 Available
IRQ 6 Standard floppy disk controller
IRQ 7 Parallel port (print port)
IRQ 8 Real-time clock
IRQ 9 Available
IRQ 10 Serial communication port 4/6
IRQ 11 Serial communication port 3/5
IRQ 12 PS/2 mouse
IRQ 13 Numeric data processor

Interrupt from controller 2
(cascade)

60

IRQ 14 Fixed primary IDE controller
IRQ 15 Fixed secondary IDE controller

Ethernet’s IRQ is automatically set by the

system

C.4 1st MB memory map

Address Description

F000h-FFFFh System BIOS
EF00h-EFFFh Expansion ROM*
C800h-EEFFh Unused
C000h-C7FFh VGA BIOS*
B000h-BFFFh VGA DRAM
A000h-AFFFh VGA DRAM
0000h-9FFFh Base memory

* Default setting

61